Episode list

It's 2005. Solar winds fall upon the Earth. Fast forward to 2021. Detective Jung Saebyeok witnesses a phenomenon while arresting a murderer.

Saebyeok's police report catches the attention of the Bureau. More questions arise as Saebyeok reads the DNA analysis report on the woman.

Saeha and Saebyeok learned about a terrible incident that took place in 1997, the same year when the Grid was conceived.

As Saebyeok continues her own investigation despite the Bureau's orders to cease, she suddenly finds herself transferred to a different office.

The Bureau issues an "APB" on Manok and the woman while spreading misinformation about the Grid. Concerned, Saebyeok rushes to arrest Manok.

Saebyeok arrests Manok but loses custody to the deputy director of the Bureau. Meanwhile, the woman appears in front of the Bureau.

Saeha arrives in a world of time before the Grid. To alter the course of his life and to save the planet, Saeha repeats time again and again.

Saeha returns to the year 2021, but time turns back again due to an unforeseen accident.

The Deputy Director attempts to use Saeha to capture the woman. Saebyeok learns of a secret about herself and runs to the Bureau to see Manok.

The Bureau attempts to lure the woman by using Manok and Saeha as bait. Manok escapes and his escape leads to a terrible tragedy.